OpenTechnical

OT-2026-000067810

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067810) never changes.

Identity and time

Publication numberOT-2026-000067810 · never reused
Internal UUID01a0ae8f-c4fb-7442-a8f3-2f9fb008c329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067810
StatusPUBLIC

Content hashes

Canonical text8363b947ead2d48cfcebc14024c6573ad39bdd1ce64f16c074a67f026d6bcf35
Markdown6f3712c3fa0255acf9228bbb97087f98f482e84f4ac4fa09b14c1f9f036a03cc
PDF
Publication page9f5673fbc8dc7177a9e108e737ab762d4cb9deccb941c047a6985dafe9075f6b
Manifestc4800cd2ba42a889c999ad3e4264b14ef6661cb5d9c7e56dd5e0ab322b599fa2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWLgNFpLxJmuE1N0WR5zKbF6Dgg4EcZqs4d3m73r8W1fT6u65e7+57VjGlcUltRBDi45UvOjLlCgpqyA7byXHDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:03.240790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067810
observed 9f5673fbc8dc7177a9e108e737ab762d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.221927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067810/manifest.json
observed c4800cd2ba42a889c999ad3e4264b14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.201771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067810/publication.md
observed 6f3712c3fa0255acf9228bbb97087f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.181312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067810/publication.txt
observed 8363b947ead2d48cfcebc14024c6573a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.